Home / 4,806.64-6,633.20-2,816.80

Finding the Fourth Proportional to 4,806.64, 6,633.20 and 2,816.80

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Solution

The fourth proportional to 4,806.64, 6,633.20 and 2,816.80 is: 3,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.64 : 6,633.20 = 2,816.80 : x
  2. Step 2: Convert to fraction form
    4,806.64/6,633.20 = 2,816.80/x
  3. Step 3: Cross multiply
    4,806.64x = 6,633.20 × 2,816.80
  4. Step 4: Simplify right side
    4,806.64x = 18,684,397.76
  5. Step 5: Solve for x
    x = 18,684,397.76/4,806.64
  6. Step 6: Final answer
    x = 3,887.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.